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This paper describes a novel double phase transforming organogel (gel-sol-gel') composed of nontoxic β-cyclodextrin, potassium carbonate, and 1,2-propylene glycol. The gel-sol-gel' transforming processes are followed by a reversible gel-sol transforming process and an irreversible sol-gel' transforming process based on heating. The gel-sol-gel' transformation is accompanied by microstructure changes from nanospheres to nanorods. K(2)CO(3) plays a key role in associating supramolecular architectures of β-cyclodextrin into a three-dimensional network. This work may bring further applications in the areas of smart materials, drug delivery systems, and biomaterials.


Wenqi Liu, Pengyao Xing, Feifei Xin, Yuehui Hou, Tao Sun, Jingcheng Hao, Aiyou Hao. Novel double phase transforming organogel based on β-cyclodextrin in 1,2-propylene glycol. The journal of physical chemistry. B. 2012 Nov 1;116(43):13106-13

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PMID: 23051026

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